forked from pool/xorg-x11-server
1884b4cb34
Copy from X11:XOrg/xorg-x11-server based on submit request 21377 from user sndirsch OBS-URL: https://build.opensuse.org/request/show/21377 OBS-URL: https://build.opensuse.org/package/show/openSUSE:Factory/xorg-x11-server?expand=0&rev=143
148 lines
4.8 KiB
Diff
148 lines
4.8 KiB
Diff
Removing DGA ended up breaking any drivers calling into the old
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xf86DiDGAInit function as it tried to see if DGA was already enabled
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and ended up crashing if the VT wasn't completely initialized. Oops.
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Also, if the driver initializes DGA itself, have the DiDGA
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initialization overwrite that information as the DiDGA code will call
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ReInit on mode detect.
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Signed-off-by: Keith Packard <keithp@keithp.com>
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---
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hw/xfree86/common/xf86DGA.c | 29 ++++++++++++++++-------------
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hw/xfree86/modes/xf86Crtc.c | 4 ++--
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hw/xfree86/modes/xf86Crtc.h | 8 ++++++++
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hw/xfree86/modes/xf86DiDGA.c | 15 ++++++++++++---
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4 files changed, 38 insertions(+), 18 deletions(-)
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diff --git a/hw/xfree86/common/xf86DGA.c b/hw/xfree86/common/xf86DGA.c
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index 42b7c58..804fd37 100644
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--- a/hw/xfree86/common/xf86DGA.c
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+++ b/hw/xfree86/common/xf86DGA.c
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@@ -120,8 +120,22 @@ DGAInit(
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DGAScreenKey = &DGAScreenKeyIndex;
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- if(!(pScreenPriv = (DGAScreenPtr)xalloc(sizeof(DGAScreenRec))))
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- return FALSE;
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+ pScreenPriv = DGA_GET_SCREEN_PRIV(pScreen);
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+
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+ if (!pScreenPriv)
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+ {
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+ if(!(pScreenPriv = (DGAScreenPtr)xalloc(sizeof(DGAScreenRec))))
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+ return FALSE;
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+ dixSetPrivate(&pScreen->devPrivates, DGAScreenKey, pScreenPriv);
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+ pScreenPriv->CloseScreen = pScreen->CloseScreen;
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+ pScreen->CloseScreen = DGACloseScreen;
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+ pScreenPriv->DestroyColormap = pScreen->DestroyColormap;
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+ pScreen->DestroyColormap = DGADestroyColormap;
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+ pScreenPriv->InstallColormap = pScreen->InstallColormap;
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+ pScreen->InstallColormap = DGAInstallColormap;
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+ pScreenPriv->UninstallColormap = pScreen->UninstallColormap;
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+ pScreen->UninstallColormap = DGAUninstallColormap;
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+ }
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pScreenPriv->pScrn = pScrn;
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pScreenPriv->numModes = num;
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@@ -146,17 +160,6 @@ DGAInit(
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modes[i].flags &= ~DGA_PIXMAP_AVAILABLE;
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#endif
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- dixSetPrivate(&pScreen->devPrivates, DGAScreenKey, pScreenPriv);
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- pScreenPriv->CloseScreen = pScreen->CloseScreen;
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- pScreen->CloseScreen = DGACloseScreen;
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- pScreenPriv->DestroyColormap = pScreen->DestroyColormap;
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- pScreen->DestroyColormap = DGADestroyColormap;
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- pScreenPriv->InstallColormap = pScreen->InstallColormap;
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- pScreen->InstallColormap = DGAInstallColormap;
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- pScreenPriv->UninstallColormap = pScreen->UninstallColormap;
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- pScreen->UninstallColormap = DGAUninstallColormap;
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-
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-
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return TRUE;
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}
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diff --git a/hw/xfree86/modes/xf86Crtc.c b/hw/xfree86/modes/xf86Crtc.c
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index c1e31e0..f274725 100644
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--- a/hw/xfree86/modes/xf86Crtc.c
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+++ b/hw/xfree86/modes/xf86Crtc.c
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@@ -806,7 +806,7 @@ xf86CrtcScreenInit (ScreenPtr screen)
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screen->CloseScreen = xf86CrtcCloseScreen;
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#ifdef XFreeXDGA
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- xf86DiDGAInit(screen, 0);
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+ _xf86_di_dga_init_for_reals(screen);
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#endif
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#ifdef RANDR_13_INTERFACE
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return RANDR_INTERFACE_VERSION;
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@@ -1928,7 +1928,7 @@ xf86SetScrnInfoModes (ScrnInfoPtr scrn)
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scrn->currentMode = scrn->modes;
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#ifdef XFreeXDGA
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if (scrn->pScreen)
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- xf86DiDGAReInit(scrn->pScreen);
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+ _xf86_di_dga_reinit_for_reals(scrn->pScreen);
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#endif
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}
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diff --git a/hw/xfree86/modes/xf86Crtc.h b/hw/xfree86/modes/xf86Crtc.h
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index 69afaa5..edf84d8 100644
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--- a/hw/xfree86/modes/xf86Crtc.h
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+++ b/hw/xfree86/modes/xf86Crtc.h
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@@ -833,6 +833,10 @@ xf86OutputGetEDID (xf86OutputPtr output, I2CBusPtr pDDCBus);
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extern _X_EXPORT Bool
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xf86DiDGAInit (ScreenPtr pScreen, unsigned long dga_address);
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+/* this is the real function, used only internally */
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+_X_INTERNAL Bool
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+_xf86_di_dga_init_for_reals (ScreenPtr pScreen);
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+
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/**
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* Re-initialize dga for this screen (as when the set of modes changes)
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*/
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@@ -841,6 +845,10 @@ extern _X_EXPORT Bool
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xf86DiDGAReInit (ScreenPtr pScreen);
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#endif
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+/* This is the real function, used only internally */
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+_X_INTERNAL Bool
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+_xf86_di_dga_reinit_for_reals (ScreenPtr pScreen);
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+
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/*
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* Set the subpixel order reported for the screen using
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* the information from the outputs
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diff --git a/hw/xfree86/modes/xf86DiDGA.c b/hw/xfree86/modes/xf86DiDGA.c
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index 0f7b834..3df3754 100644
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--- a/hw/xfree86/modes/xf86DiDGA.c
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+++ b/hw/xfree86/modes/xf86DiDGA.c
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@@ -175,6 +175,12 @@ static DGAFunctionRec xf86_dga_funcs = {
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Bool
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xf86DiDGAReInit (ScreenPtr pScreen)
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{
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+ return TRUE;
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+}
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+
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+_X_INTERNAL Bool
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+_xf86_di_dga_reinit_for_reals (ScreenPtr pScreen)
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+{
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ScrnInfoPtr scrn = xf86Screens[pScreen->myNum];
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xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
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@@ -190,12 +196,15 @@ xf86DiDGAReInit (ScreenPtr pScreen)
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Bool
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xf86DiDGAInit (ScreenPtr pScreen, unsigned long dga_address)
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{
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+ return TRUE;
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+}
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+
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+_X_INTERNAL Bool
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+_xf86_di_dga_init_for_reals (ScreenPtr pScreen)
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+{
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ScrnInfoPtr scrn = xf86Screens[pScreen->myNum];
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xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
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- if (DGAAvailable(pScreen->myNum))
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- return TRUE;
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-
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xf86_config->dga_flags = 0;
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xf86_config->dga_address = 0;
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xf86_config->dga_width = 0;
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